Tools and Calculators for Sailors

This is a collection of handy tools, demos and calculators that might help you as a sailor.

Yardstick Calculator
Calculate corrected times and the finishing order for mixed-class handicap races — with a reference table of common yardstick numbers.
Open calculator
Sailing Upwind in Wind-Waves
This demo illustrates the importance of sailing the advantaged tacks in a scenario where the wind is backing and veering in a wave-like pattern.
Try it out